BenQ RP750K InstaQPrint User Manual - Page 43

Connection error: Connection refused

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If content could not be printed and the error message was displayed, please tell us more about the problem: we will need to know what content you printed and if your printer did not respond to printing command. Connection error: Connection refused This is a connectivity issue. Possible causes of the connection error message are listed below alongside with the solutions. 1. Your firewall may be blocking the incoming connection. 2. Check your firewall settings. 3. If you are sure that the firewall does not block it, restart the PC and the router. 4. Unknown Network error 5. If you are printing directly to a printer and not through an intermediate PC, restart your mobile device, your printer and the router. 6. You input an incorrect value in IP address field in manual setup screen or left the field empty 7. If you would like to connect to a network printer by specifying its IP address, you will first need to learn its IP address. You may need to input its IP address if the printer is located on a subnet different from the one on which your mobile device is located. 8. Some printers with network capabilities can display their IP address on a built-in screen. 9. If your network printer does not have a screen, you can find its address from any networked computer configured to use the printer. 10. To find the printer IP address from a Windows machine, do this: 1. Click 'Start' button> Devices and Printers 2. Right-click the name of your printer>Properties 3. Click 'Web Services' tab or 'Ports' (will depend on your Windows version). 11. To find the printer IP address from a Mac, do this: 1. Go to the 'Apple' menu and select the 'System Preferences' option. Click 'Print & Fax' from the menu 2. Select the printer from the menu on the left and press the 'Open Print Queue' button 3. Open the 'Printer' menu at the top of the screen and select 'Print Test Page' 4. Go to the 'Device URI' on the CUPS text page and look towards the end of the string. The IP address appears after 'ip=' 12. The app is using an improper printing protocol. 43

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43
If content could not be printed and the error message was displayed, please tell us more about the
problem: we will need to know what content you printed and if your printer did not respond to
printing command.
Connection error: Connection refused
This is a connectivity issue. Possible causes of the connection error message are listed below
alongside with the solutions.
1.
Your firewall may be blocking the incoming connection.
2.
Check your firewall settings.
3.
If you are sure that the firewall does not block it, restart the PC and the router.
4.
Unknown Network error
5.
If you are printing directly to a printer and not through an intermediate PC, restart your
mobile device, your printer and the router.
6.
You input an incorrect value in IP address field in manual setup screen or left the field empty
7.
If you would like to connect to a network printer by specifying its IP address, you will first
need to learn its IP address. You may need to input its IP address if the printer is located on
a subnet different from the one on which your mobile device is located.
8.
Some printers with network capabilities can display their IP address on a built-in screen.
9.
If your network printer does not have a screen, you can find its address from any networked
computer configured to use the printer.
10.
To find the printer IP address from a Windows machine, do this:
1.
Click 'Start' button> Devices and Printers
2.
Right-click the name of your printer>Properties
3.
Click 'Web Services' tab or 'Ports' (will depend on your Windows version).
11.
To find the printer IP address from a Mac, do this:
1.
Go to the 'Apple' menu and select the 'System Preferences' option. Click 'Print &
Fax' from the menu
2.
Select the printer from the menu on the left and press the 'Open Print Queue'
button
3.
Open the 'Printer' menu at the top of the screen and select 'Print Test Page'
4.
Go to the 'Device URI' on the CUPS text page and look towards the end of the
string. The IP address appears after 'ip='
12.
The app is using an improper printing protocol.